New Test: HD 800 vs Edition 8: two headphones, and over £2000 of kit

We're not scrimping and saving on today's tests: between them, these two pairs of headphones come in well over £2000.  Can they really be worth it?

In one corner is the Sennheiser HD 800, a very surprising response to the manufacturer's much-loved HD 650.  Facing them, another German contender, Ultrasone and the luxurious Edition 8 with its leather finish.

> Test: Sennheiser HD 800

> Test: Ultrasone Edition 8

> Product Survey: Headphones